java.lang.NoSuchMethodError: net.minecraft.server.v1_4_R1.EntityHuman.getBukkitEntity()Lorg/bukkit/entity/HumanEntity;
	at org.getspout.spout.block.mcblock.CustomMCBlock.intercept(CustomMCBlock.java:369)
	at net.minecraft.server.v1_4_R1.BlockSnow$$EnhancerByCGLIB$$9eac923b.interact(<generated>)
	at net.minecraft.server.v1_4_R1.PlayerInteractManager.interact(PlayerInteractManager.java:385)
	at net.minecraft.server.v1_4_R1.PlayerConnection.a(PlayerConnection.java:657)
	at net.minecraft.server.v1_4_R1.Packet15Place.handle(SourceFile:58)
	at net.minecraft.server.v1_4_R1.NetworkManager.b(NetworkManager.java:290)
	at net.minecraft.server.v1_4_R1.PlayerConnection.d(PlayerConnection.java:113)
	at org.getspout.spout.SpoutPlayerConnection.d(SpoutPlayerConnection.java:196)
	at net.minecraft.server.v1_4_R1.ServerConnection.b(SourceFile:39)
	at net.minecraft.server.v1_4_R1.DedicatedServerConnection.b(SourceFile:30)
	at net.minecraft.server.v1_4_R1.MinecraftServer.r(MinecraftServer.java:598)
	at net.minecraft.server.v1_4_R1.DedicatedServer.r(DedicatedServer.java:224)
	at net.minecraft.server.v1_4_R1.MinecraftServer.q(MinecraftServer.java:494)
	at net.minecraft.server.v1_4_R1.MinecraftServer.run(MinecraftServer.java:427)
	at net.minecraft.server.v1_4_R1.ThreadServerApplication.run(SourceFile:849)